/* Страница «AI-копирайтер» (/ai-kopirajter). Основа — home-platform.css, здесь только своё.
   Сетка блоков по шаблону GenAI, цвета и типографика — SEOGrid. */
.pf-aic { --aic-violet: #6b55e0; --aic-card: #ffffffb8; --aic-shadow: 0 10px 30px #2a4a7a14; }
.pf-aic-center { text-align: center; }
.pf-page .pf-aic-sub { color: var(--home-muted); font-size: 15px; line-height: 1.7; margin: 16px auto 0; max-width: 560px; }
.pf-page .pf-aic-note { text-align: center; color: var(--home-muted); font-size: 13px; margin: 28px 0 0; }
.pf-page .pf-aic-note a { color: #2563d9; }
.pf-aic-icon { display: inline-grid; place-items: center; flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px; color: var(--aic-violet); background: #9d8cff29; }
.pf-page .pf-aic-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 26px; color: #2563d9; font-size: 14px; font-weight: 500; }
.pf-page .pf-aic-link svg { transition: transform .2s; }
.pf-page .pf-aic-link:hover svg { transform: translate(2px,-2px); }
.pf-page .pf-aic-link--muted { margin-top: auto; padding-top: 18px; color: #6f8197; font-size: 13px; }
.pf-page .pf-aic-link--muted:hover { color: #2563d9; }

/* 1. Hero */
.pf-aic-hero { position: relative; padding-bottom: 40px; }
.pf-aic-hero__crumbs { display: flex; justify-content: center; }
.pf-aic-hero__crumbs .pf-crumbs, .pf-aic-hero__crumbs nav { justify-content: center; }
.pf-page.pf-home .pf-aic-hero__blur { position: absolute; left: 50%; top: 380px; width: 1100px; max-width: none; transform: translateX(-50%); opacity: .35; z-index: 0; pointer-events: none; filter: hue-rotate(40deg); }
.pf-aic-hero__screen { position: relative; z-index: 1; max-width: 1000px; margin: 56px auto 0; padding: 10px; border-radius: 18px; background: #ffffffcc; border: 1px solid #ffffff; box-shadow: 0 40px 80px -30px #2a4a7a66, 0 0 0 1px #10304a0f; }
.pf-page .pf-aic-hero__screen img { display: block; width: 100%; height: auto; border-radius: 10px; }
.pf-aic-hero__points { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 34px; margin: 30px 0 0; padding: 0; list-style: none; }
.pf-page .pf-aic-hero__points li { position: relative; padding-left: 16px; color: var(--home-ink); font-size: 15px; }
.pf-aic-hero__points li::before { content: ""; position: absolute; left: 0; top: 50%; width: 6px; height: 6px; margin-top: -3px; border-radius: 50%; background: linear-gradient(135deg,#0fb37a,#2f6fe8); }
.pf-aic-hero__badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 28px; }
.pf-aic-hero__badges div { display: flex; align-items: baseline; gap: 8px; padding: 10px 18px; border-radius: 99px; background: #ffffffb3; border: 1px solid #ffffff; box-shadow: 0 6px 18px #2a4a7a12; }
.pf-page .pf-aic-hero__badges b { color: #0b8f63; font-size: 16px; font-weight: 600; }
.pf-page .pf-aic-hero__badges span { color: var(--home-muted); font-size: 13px; }

/* 2. Преимущества */
.pf-aic-benefits__grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 40px; margin: 54px 0 44px; text-align: left; }
.pf-aic-benefits__grid article { display: flex; gap: 18px; align-items: flex-start; }
.pf-page .pf-aic-benefits__grid h3 { margin: 0 0 10px; color: var(--home-ink); font-size: 19px; font-weight: 600; letter-spacing: -.02em; }
.pf-page .pf-aic-benefits__grid p { margin: 0; color: var(--home-muted); font-size: 14px; line-height: 1.7; }

/* 3. Фичи */
.pf-aic-features { padding-top: 40px; }
.pf-aic-feature { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 70px; align-items: center; }
.pf-aic-feature + .pf-aic-feature { margin-top: 110px; }
.pf-aic-feature.is-reverse .pf-aic-feature__text { order: 2; }
.pf-page .pf-aic-feature h2 { margin: 0; }
.pf-page .pf-aic-feature__text > p { margin: 22px 0 0; color: var(--home-muted); font-size: 15px; line-height: 1.75; max-width: 520px; }
.pf-aic-feature ul { display: grid; gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.pf-page .pf-aic-feature li { display: flex; gap: 10px; align-items: flex-start; color: var(--home-ink); font-size: 14px; line-height: 1.5; }
.pf-aic-feature li svg { flex-shrink: 0; margin-top: 2px; color: #158a62; }
.pf-aic-feature__media { position: relative; display: grid; place-items: center; }
.pf-aic-feature__media::before { content: ""; position: absolute; inset: 6% 10%; border-radius: 50%; background: radial-gradient(circle at 35% 35%,#4b8dff33,transparent 60%),radial-gradient(circle at 70% 70%,#0fb37a26,transparent 60%); filter: blur(30px); z-index: 0; }
.pf-page .pf-aic-feature__media img { position: relative; z-index: 1; width: 100%; max-width: 520px; height: auto; }

/* 4. Сценарии */
.pf-aic-cases { margin-top: 40px; background: linear-gradient(180deg,#eef4ff00,#eef4ffcc 18%,#eef4ffcc 82%,#eef4ff00); }
.pf-aic-cases__grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; margin-top: 50px; }
.pf-aic-cases__grid article { display: flex; flex-direction: column; padding: 26px; border-radius: 10px; background: var(--aic-card); border: 1px solid #ffffff; box-shadow: var(--aic-shadow); backdrop-filter: blur(8px); transition: transform .22s, box-shadow .22s; }
.pf-aic-cases__grid article:hover { transform: translateY(-4px); box-shadow: 0 18px 40px #2a4a7a24; }
.pf-page .pf-aic-cases__grid h3 { margin: 18px 0 8px; color: var(--home-ink); font-size: 16px; font-weight: 600; }
.pf-page .pf-aic-cases__grid p { margin: 0; color: var(--home-muted); font-size: 13px; line-height: 1.65; }

/* 5. Бегущие карточки */
.pf-aic-chain { overflow: hidden; }
.pf-aic-chain__row { margin-top: 20px; overflow: hidden; -webkit-mask-image: linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); mask-image: linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); }
.pf-aic-chain .container + .pf-aic-chain__row { margin-top: 50px; }
.pf-aic-chain__track { display: flex; gap: 16px; width: max-content; padding: 8px 0 18px; animation: home-marquee 46s linear infinite; }
.pf-aic-chain__row.is-reverse .pf-aic-chain__track { animation-direction: reverse; }
.pf-aic-chain__row:hover .pf-aic-chain__track, .pf-aic-chain__row:focus-within .pf-aic-chain__track { animation-play-state: paused; }
.pf-page .pf-aic-chain__card { display: flex; flex-direction: column; gap: 14px; width: 320px; padding: 22px; border-radius: 10px; background: var(--aic-card); border: 1px solid #ffffff; box-shadow: var(--aic-shadow); color: var(--home-ink); transition: box-shadow .2s; }
.pf-page .pf-aic-chain__card:hover { box-shadow: 0 18px 40px #2a4a7a24; color: var(--home-ink); }
.pf-aic-chain__head { display: flex; align-items: center; gap: 12px; }
.pf-aic-chain__head .pf-aic-icon { width: 38px; height: 38px; border-radius: 10px; color: #2563d9; background: #2563d91a; }
.pf-page .pf-aic-chain__head b { font-size: 15px; font-weight: 600; }
.pf-page .pf-aic-chain__text { color: var(--home-muted); font-size: 13px; line-height: 1.65; }

/* 6. Цены */
.pf-aic-pricing__grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; align-items: stretch; margin-top: 50px; }
.pf-aic-pricing__grid article { position: relative; display: flex; flex-direction: column; padding: 32px; border-radius: 14px; background: var(--aic-card); border: 1px solid #ffffff; box-shadow: var(--aic-shadow); backdrop-filter: blur(8px); }
.pf-aic-pricing__grid article.is-featured { background: #fff; border-color: #2f6fe84d; box-shadow: 0 30px 60px -28px #1f5fe866; }
.pf-page .pf-aic-pricing__badge { position: absolute; top: 20px; right: 20px; padding: 5px 11px; border-radius: 99px; background: #0fb37a1f; color: #0b8f63; font-size: 11px; font-weight: 600; }
.pf-page .pf-aic-pricing__grid h3 { margin: 0; color: var(--home-ink); font-size: 18px; font-weight: 600; }
.pf-aic-pricing__price { display: flex; align-items: baseline; gap: 8px; margin: 18px 0 10px; }
.pf-page .pf-aic-pricing__price b { color: var(--home-ink); font-size: 42px; font-weight: 600; letter-spacing: -.04em; line-height: 1; }
.pf-page .pf-aic-pricing__price span { color: var(--home-muted); font-size: 13px; }
.pf-page .pf-aic-pricing__grid p { margin: 0 0 24px; color: var(--home-muted); font-size: 14px; line-height: 1.6; min-height: 45px; }
.pf-aic-pricing__grid .pf-home__button { width: 100%; }
.pf-aic-pricing__grid ul { display: grid; gap: 11px; margin: 26px 0 0; padding: 22px 0 0; border-top: 1px solid var(--home-line); list-style: none; }
.pf-page .pf-aic-pricing__grid li { display: flex; gap: 9px; align-items: flex-start; color: var(--home-ink); font-size: 14px; }
.pf-aic-pricing__grid li svg { flex-shrink: 0; margin-top: 3px; color: #158a62; }

/* 8. Финальный призыв */
.pf-aic-final { padding: 20px 0 100px; }
.pf-aic-final__box { position: relative; display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 40px; align-items: center; overflow: hidden; padding: 60px 0 0 56px; border-radius: 14px; color: #fff; background: linear-gradient(120deg,#1f5fe8 0%,#3679ed 45%,#4f93ff 100%); }
.pf-page.pf-home .pf-aic-final__blur { position: absolute; right: -10%; top: -30%; width: 700px; max-width: none; opacity: .5; pointer-events: none; }
.pf-aic-final__text { position: relative; z-index: 1; padding-bottom: 60px; }
.pf-page.pf-home .pf-aic-final__box h2 { color: #fff; margin: 0; }
.pf-page .pf-aic-final__box p { color: #e6efff; font-size: 15px; line-height: 1.7; margin: 16px 0 28px; }
.pf-page .pf-aic-final__button { display: inline-flex; align-items: center; gap: 12px; padding: 16px 24px; border-radius: 8px; background: #fff; color: #1f5fe8; font-size: 14px; font-weight: 500; }
.pf-page .pf-aic-final__button:hover { background: #eef4ff; color: #1649c4; }
.pf-aic-final__media { position: relative; z-index: 1; align-self: end; }
.pf-page .pf-aic-final__media img { display: block; width: 100%; height: auto; border-radius: 12px 0 0 0; box-shadow: 0 -10px 40px #0b2a6b40; }

@media (max-width: 1199px) {
  .pf-aic-cases__grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 991px) {
  .pf-aic-benefits__grid { grid-template-columns: 1fr; gap: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }
  .pf-aic-feature { grid-template-columns: 1fr; gap: 36px; }
  .pf-aic-feature.is-reverse .pf-aic-feature__text { order: 0; }
  .pf-aic-feature + .pf-aic-feature { margin-top: 80px; }
  .pf-aic-pricing__grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .pf-aic-final__box { grid-template-columns: 1fr; padding: 48px 32px 0; text-align: center; }
  .pf-aic-final__text { padding-bottom: 0; }
  .pf-page .pf-aic-final__media img { border-radius: 12px 12px 0 0; }
}
@media (max-width: 575px) {
  .pf-aic-cases__grid { grid-template-columns: 1fr; }
  .pf-aic-hero__screen { margin-top: 36px; padding: 5px; border-radius: 12px; }
  .pf-aic-hero__points { flex-direction: column; align-items: center; gap: 8px; }
  .pf-page .pf-aic-chain__card { width: 270px; }
  .pf-aic-final__box { padding: 40px 20px 0; }
  .pf-page .pf-aic-final__button { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  .pf-aic-chain__track { animation: none; }
}

/* ===== Анимированная сцена (components/pf/copywriter-scene.tsx) ===== */
.aic-scene { display: block; width: 100%; height: auto; border-radius: 12px; user-select: none; -webkit-tap-highlight-color: transparent; }
.aic-scene * { transform-box: view-box; }
.aic-scene text { font-family: inherit; }
.aic-tab { font-size: 13px; fill: #8a9aae; }
.aic-tag { font-size: 12px; font-weight: 700; }
.aic-h1 { font-size: 22px; font-weight: 700; fill: #14304c; letter-spacing: -.02em; }
.aic-caret { fill: #2f6fe8; font-weight: 400; animation: aic-caret .8s steps(1) infinite; }
.aic-scene:not(.is-writing) .aic-caret { opacity: 0; animation: none; }
@keyframes aic-caret { 50% { opacity: 0; } }

/* Строки статьи: вырастают слева направо */
.aic-scene .aic-line { transform-box: fill-box; transform-origin: left center; transform: scaleX(0); transition: transform .2s ease; }
.aic-scene.is-doc .aic-line { transform: scaleX(1); transition: transform .55s cubic-bezier(.34,1.45,.6,1); }
.aic-kw { mix-blend-mode: multiply; }

/* Плашки проверок */
.aic-scene .aic-chip { transform-box: fill-box; transform-origin: left center; opacity: 0; transform: translateX(40px) scale(.5); transition: opacity .2s, transform .2s; }
.aic-scene.is-check .aic-chip { opacity: 1; transform: none; transition: opacity .3s, transform .6s cubic-bezier(.34,1.7,.6,1); }
.aic-chip-title { font-size: 15px; font-weight: 700; fill: #14304c; }
.aic-chip-value { font-size: 13px; font-weight: 500; fill: #0b8f63; }

/* Сниппет и позиция */
.aic-scene .aic-serp { transform-box: fill-box; transform-origin: center bottom; opacity: 0; transform: translateY(50px) scale(.85); transition: opacity .2s, transform .2s; }
.aic-scene.is-rank .aic-serp { opacity: 1; transform: none; transition: opacity .35s, transform .7s cubic-bezier(.34,1.5,.6,1); }
.aic-url { font-size: 12px; fill: #5b6b7f; }
.aic-serp-title { font-size: 18px; font-weight: 600; fill: #1f5fe8; letter-spacing: -.01em; }
.aic-scene .aic-badge { transform-box: fill-box; transform-origin: center; opacity: 0; transform: scale(0) rotate(-40deg); transition: opacity .2s, transform .2s; }
.aic-scene.is-rank .aic-badge { opacity: 1; transform: none; transition: opacity .3s .25s, transform .7s cubic-bezier(.34,1.8,.6,1) .25s; }
.aic-scene.is-party .aic-badge { animation: aic-badge-pop .6s cubic-bezier(.34,1.8,.6,1); }
.aic-badge-good { opacity: 0; transition: opacity .4s; }
.is-top10 .aic-badge-good { opacity: 1; }
.aic-badge-label { font-size: 11px; font-weight: 600; fill: #fff; opacity: .85; letter-spacing: .06em; }
.aic-badge-num { font-size: 36px; font-weight: 800; fill: #fff; letter-spacing: -.04em; }
@keyframes aic-badge-pop { 0% { transform: scale(1); } 40% { transform: scale(1.3) rotate(8deg); } 100% { transform: scale(1); } }
.aic-confetti > * { opacity: 0; }
.is-party .aic-confetti > * { animation: aic-confetti 1.4s cubic-bezier(.15,.7,.35,1) forwards; }
@keyframes aic-confetti {
  0% { opacity: 1; transform: translate(0,0) rotate(0) scale(.4); }
  70% { opacity: 1; }
  100% { opacity: 0; transform: translate(var(--dx), calc(var(--dy) + 90px)) rotate(var(--r)) scale(1); }
}

/* Робот: дыхание, прыжок со сжатием и растяжением */
.aic-char { cursor: pointer; transform-origin: 190px 560px; animation: aic-breathe 3.2s ease-in-out infinite; }
.aic-char[data-hop] { animation: aic-jump .9s cubic-bezier(.3,.7,.4,1), aic-breathe 3.2s ease-in-out .9s infinite; }
.is-party .aic-char { animation: aic-jump .9s cubic-bezier(.3,.7,.4,1) 2, aic-breathe 3.2s ease-in-out 1.8s infinite; }
.aic-shadow { transform-origin: 190px 562px; }
.aic-shadow[data-hop] { animation: aic-shadow .9s cubic-bezier(.3,.7,.4,1); }
.is-party .aic-shadow { animation: aic-shadow .9s cubic-bezier(.3,.7,.4,1) 2; }
@keyframes aic-breathe { 0%,100% { transform: scale(1,1); } 50% { transform: scale(1.012,.988) translateY(1px); } }
@keyframes aic-jump {
  0% { transform: scale(1,1); }
  15% { transform: scale(1.12,.86); }
  40% { transform: translateY(-70px) scale(.92,1.1); }
  60% { transform: translateY(-78px) scale(1,1); }
  82% { transform: translateY(0) scale(1.14,.84); }
  92% { transform: scale(.96,1.05); }
  100% { transform: scale(1,1); }
}
@keyframes aic-shadow { 0%,100% { transform: scale(1); opacity: .14; } 50% { transform: scale(.6); opacity: .07; } }
.aic-head { transform-origin: 190px 360px; transition: transform .5s cubic-bezier(.34,1.5,.6,1); }
.is-writing .aic-head { transform: rotate(5deg); }
.is-rank .aic-head { transform: rotate(3deg) translateY(-3px); }
.aic-eyes { transform-origin: 190px 278px; animation: aic-blink 4.2s infinite; }
@keyframes aic-blink { 0%,92%,100% { transform: scaleY(1); } 95% { transform: scaleY(.08); } }
.aic-pupil { transition: transform .18s ease-out; }
.aic-bulb { transform-origin: 190px 147px; animation: aic-bulb 1.6s ease-in-out infinite alternate; }
.is-party .aic-bulb { animation-duration: .25s; }
@keyframes aic-bulb { from { opacity: .75; transform: scale(.92); } to { opacity: 1; transform: scale(1.08); } }
.aic-mouth-open { opacity: 0; }
.is-party .aic-mouth-open, .is-bubble .aic-mouth-open { opacity: 1; }
.is-party .aic-mouth-idle, .is-bubble .aic-mouth-idle { opacity: 0; }
.aic-arm-r { transform-origin: 258px 420px; transition: transform .4s; }
.is-writing .aic-arm-r { animation: aic-write .3s ease-in-out infinite alternate; }
@keyframes aic-write { from { transform: rotate(-4deg); } to { transform: rotate(3deg) translateY(-2px); } }
.aic-arm-l { transform-origin: 124px 428px; }
.is-party .aic-arm-l { animation: aic-wave 2s cubic-bezier(.34,1.4,.6,1); }
@keyframes aic-wave { 0% { transform: rotate(0); } 18% { transform: rotate(150deg); } 34% { transform: rotate(120deg); } 50% { transform: rotate(155deg); } 66% { transform: rotate(122deg); } 82% { transform: rotate(150deg); } 100% { transform: rotate(0); } }

/* Реплика */
.aic-bubble { transform-origin: 0 0; opacity: 0; transform: scale(.4) translateY(20px); transition: opacity .2s, transform .2s; pointer-events: none; }
.is-bubble .aic-bubble { opacity: 1; transform: none; transition: opacity .25s, transform .5s cubic-bezier(.34,1.7,.6,1); }
.aic-bubble-text { font-size: 18px; font-weight: 700; fill: #14304c; }

/* Мерцание звёздочек */
.aic-scene .aic-twinkle { transform-box: fill-box; transform-origin: center; animation: aic-twinkle 2.8s ease-in-out infinite; }
@keyframes aic-twinkle { 0%,100% { opacity: .25; transform: scale(.6) rotate(0); } 50% { opacity: .9; transform: scale(1.1) rotate(45deg); } }

.pf-aic-hero__screen .aic-scene { border-radius: 10px; }
.pf-aic-final__media .aic-scene { border-radius: 12px 0 0 0; box-shadow: 0 -10px 40px #0b2a6b40; }
@media (max-width: 991px) { .pf-aic-final__media .aic-scene { border-radius: 12px 12px 0 0; } }

@media (prefers-reduced-motion: reduce) {
  .aic-scene, .aic-scene * { animation: none !important; transition: none !important; }
}